how do you texture the golden egg model??

[youraverageoctoling]

Which egg? You mean the eggs you get in salmon run?

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What did you use to extract the model? There is a program called Switch Toolbox, which can open the game files and models, which include the texture. Trust me, I have been modding Splatoon for years.

how do I find it? I can't really find what you've described online or anything

and also how do I get the model into blender once I've found it